By Laing Frederick M.   Howard Diantha B.   in Northern Journal of Applied Forestry

ISSN:0742-6348|7|1|5-9

Society of American Foresters‎(1990)‎

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By Laing Frederick M.   Sendak Paul E.   Aleong John   in Northern Journal of Applied Forestry

ISSN:0742-6348|2|2|43-47

Society of American Foresters‎(1985)‎

Access to resources Favorite 10.439114